US3489037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic speed change device for vehicles
Assignee: Nissan Motor Co Ltd
•
Filing: 1967-07-18
•
Granted: 1970-01-13
•
Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Yoichi Mori
- 👤 Nagayuki Marumo
- 👤 Noburu Fukazawa
- 👤 Koichi Ohie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US643130A
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US1125140A
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US2725762A
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US2919604A
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US3025721A
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US3029662A
Cited
US3246542A
Cited
US3209617A
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US3314307A
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US3300001A
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US3270585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |